bindgen dependencies aren't setup correctly when using rules_rust with bzlmod

This is what my workspace file looks like:


When I use rules_rust in the workspace via http_archive, I can use bindgen via rust_bindgen_library. However when I try to use rules_rust with bzlmod rather than in the workspace, I get the following error:


I see that bzlmod support is still [WIP](https://bazelbuild.github.io/rules_rust/#bzlmod) so I just wanted to see if we could get support for bindgen with rules_rust via bzlmod.